* {
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  text-align: center;
  padding: 10px;
}

h1 {
  margin: 20px 0;
}

.gallery-item {
  height: 200px;
}

.lightbox {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: pink;
  display: none;
  flex-direction: column;
  justify-items: flex-start;
  align-items: flex-start;
}

#lightbox-image {
  width: 100%;
}

#close-btn {
  font-size: 20px;
}

